Table 1 List of variables

Structural variables

▪ Farm size

▪ Years in business

▪ Agricultural activity

▪ Collective supply

▪ Number of hectares

▪ Number of years in activity

▪ Type of activity

▪ Willingness to join a collective supply group (yes/no)

Relational variables

(between the surveyed farms)

▪ Knowledge

▪ Economic relations

▪ Social relations

▪ Other relations

▪ Other farms, their operations are known (yes/no)

▪ Existence of customer-supplier ties (yes/no)

▪ Collaboration in social activities (yes/no)

▪ Other types of collaboration (yes/no)

Social farm results

▪ Market problems

▪ Farm diversification

▪ Disadvantaged people

▪ The farm faces market problems (yes/no)

▪ Number and type of other activities implemented

▪ Number of disadvantaged people engaged